Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    6.441794E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T02:13:52+0800
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    1 Object 1

    AOE ID 58645
    NORAD ID 58645
    Object Type PAYLOAD
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 59536
    NORAD ID 59536
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter TIANMU-1 11 STARLINK-31721
    Time of Closest Approach 2026-10-28T17:51:26+0000
    Collision Probability (Pc) 6.441794E-6
    Conjunction Distance (km) 1.498 km
    Relative Speed (km/s) 13.854 km/s
    Conjunction Risk Parameters R (Radial): -1.329 | I (In-track): -0.281 | C (Cross-track): 0.628
    Collision Risk Index (CRI) 0.51
    X Position (km) 4898.569 4897.139
    Position Y (km) -3359.081 -3358.803
    Position Z (km) -3442.141 -3441.795
    Velocity X (km/s) 2.481 1.961
    Velocity Y (km/s) -3.064 6.466
    Velocity Z (km/s) 6.518 -3.523

    Orbital Parameters 国际轨道数据源

    Parameter TIANMU-1 11 STARLINK-31721
    Semimajor Axis (a) 6859.544 km 6861.260 km
    Eccentricity (e) 0.000680 0.000070
    Inclination (i) 97.3388° 43.0003°
    RAAN 319.8637° 115.8250°
    Perigee Argument 252.2163° 257.0289°
    Mean Anomaly (M) 107.8335° 103.0485°
    Apogee 486.071 km 483.604 km
    Perigee 476.743 km 482.642 km
    Orbit Epoch 2026-10-27T07:24:57+0000 2026-10-27T04:46:23+0000

    TIANMU-1 11 & STARLINK-31721 Collision Probability (Pc) Trend

    TIANMU-1 11 & STARLINK-31721 Collision Probability (Pc) TrendNot Available

    TIANMU-1 11 & STARLINK-31721 Miss Distance (Miss Distance) Trend

    TIANMU-1 11 & STARLINK-31721 Miss Distance (Miss Distance) TrendNot Available

    TIANMU-1 11Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31721Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    TIANMU-1 11Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31721Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with TIANMU-1 11

    No nearby objects data